Beaverhead in Montana.
Truth is, craneflies are everywhere, and as Robert Younghanz told me once, might be the most underfished fly in the word.
For sure try out your favorite on your home stream.
And if you tie, look up a tutorial for this one on YouTube (because I think the ones production ties aren’t as good 🤫)
Here’s a pic from the Green River fishing with Charlie Card: